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Text varies from very dark (almost smudged) to very, very light.
5 two-page charts, all of which have text bound into gutter (pp 90/91 in 1922, 118/119 in 1923, 152/153 in 1924, 202/203 in 1925 and 112/113 in 1926).
Some Very tight margins.
Pages discolored around edges, brittle.
This book is
available with additional data
Biodiversity Heritage Library.
For print-disabled users
on September 22, 2008